Beispiel #1
0
        public void SaveValuesFor(NeuralNetwork neuralNetwork)
        {
            var firstLayerWeights = neuralNetwork.GetWeightsForLayer(1);
            var secondLayerWeights = neuralNetwork.GetWeightsForLayer(2);

            var secondLayerThresholds = neuralNetwork.GetThresholdsForLayer(2);
            var thirdLayerThresholds = neuralNetwork.GetThresholdsForLayer(3);

            try
            {
                var connection = new NpgsqlConnection(ConnectionString);
                connection.Open();
                var command = new NpgsqlCommand { Connection = connection };

                for (var i = 1; i <= secondLayerThresholds.Count; i++)
                {
                    command.CommandText = "UPDATE pr4_thresholds_layer2 SET threshold=" + secondLayerThresholds[i - 1] + " WHERE id=" + i;
                    command.ExecuteNonQuery();
                }

                for (var i = 1; i <= thirdLayerThresholds.Count; i++)
                {
                    command.CommandText = "UPDATE pr4_thresholds_layer3 SET threshold=" + thirdLayerThresholds[i - 1] + " WHERE id=" + i;
                    command.ExecuteNonQuery();
                }

                for (var i = 1; i <= firstLayerWeights.Count; i++)
                {
                    command.CommandText = "UPDATE pr4_weights_layer1 SET weight=" + firstLayerWeights[i - 1] + " WHERE id=" + i;
                    command.ExecuteNonQuery();
                }

                for (var i = 1; i <= secondLayerWeights.Count; i++)
                {
                    command.CommandText = "UPDATE pr4_weights_layer2 SET weight=" + secondLayerWeights[i - 1] + " WHERE id=" + i;
                    command.ExecuteNonQuery();
                }

                connection.Close();
            }
            catch (Exception)
            {
                Console.WriteLine("There was a problem saving values in the database.");
                throw;
            }
        }